.meter {
  display: inline-block;
  width: 480px;
  height: 20px;  /* Can be anything */
  position: relative;
  margin-top: 15px;
  background: #E7ECF0;
  -moz-border-radius: 25px;
  -webkit-border-radius: 25px;
  border-radius: 25px;
  padding: 3px;
  box-shadow: inset 0 -1px 1px rgba(255,255,255,0.3);
}

.meter > span {
  display: block;
  height: 100%;
  width: 0;
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
  border-top-left-radius: 20px;
  border-bottom-left-radius: 20px;
  background-color: rgb(43,194,83);
  background-image: linear-gradient(center bottom, rgb(43,194,83) 37%, rgb(84,240,84) 69%);
  box-shadow:
          inset 0 2px 9px  rgba(255,255,255,0.3),
          inset 0 -2px 6px rgba(0,0,0,0.4);
  position: relative;
  overflow: hidden;
  transition: width 2s;
  -moz-transition:width 2s; /* Firefox 4 */
  -webkit-transition:width 2s; /* Safari and Chrome */
  -o-transition:width 2s; /* Opera */
  /*animation: expandWidth 1s linear;*/
}

.meter > span:after {
  content: "";
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  background-image: linear-gradient(
          -45deg,
          rgba(255, 255, 255, .2) 25%,
          transparent 25%,
          transparent 50%,
          rgba(255, 255, 255, .2) 50%,
          rgba(255, 255, 255, .2) 75%,
          transparent 75%,
          transparent
  );
  z-index: 1;
  background-size: 50px 50px;
  animation: move 2s linear /*infinite*/;
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
  border-top-left-radius: 20px;
  border-bottom-left-radius: 20px;
  overflow: hidden;
}

.animate > span:after {
  display: none;
}

@keyframes move {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 50px 50px;
  }
}

.meter > span:after, .animate > span > span {
  animation: move 2s linear /*infinite*/;
}

@keyframes expandWidth {
  0% { width: 0; }
  100% { width: 0%; }
}